Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574219 | Lighting unit | John M. Davenport, Richard L. Hansler, Ralph M. Potter, John M. Blank, Arthur S. Homa +2 more | 1986-03-04 |
| 4487589 | Method of preparing electron emissive coatings for electric discharge devices | Amarendra Mishra, Roger M. Eastin | 1984-12-11 |
| 4415835 | Electron emissive coatings for electric discharge devices | Amarendra Mishra, Roger M. Eastin | 1983-11-15 |
| 4275330 | Electric discharge lamp having a cathode with cesium metal oxide | Chong I. Cho, Edward C. Zukowski | 1981-06-23 |